CVE-2026-91721: Use After Free

Q: What does an attacker need to exploit this issue?

The attacker needs to cause a user to load a crafted HTML page. The issue is described as remotely exploitable and may allow arbitrary code execution outside Chrome's sandbox.

Q: Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.47 are affected. Updating to 153.0.8010.47 or later addresses the affected version range.

Published Sep 15, 2026

Updated

Use after free in Internals in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected Software

1 affected component

Google Google Chrome<153.0.8010.47

Event History

Sep 15, 2026

CVE Published

via MITRE·08:41 PM

Data Sourced

via MITRE·08:41 PM

DescriptionWeakness

Frequently Asked Questions

What does an attacker need to exploit this issue?

The attacker needs to cause a user to load a crafted HTML page. The issue is described as remotely exploitable and may allow arbitrary code execution outside Chrome's sandbox.

Which Chrome versions are affected?

Google Chrome versions prior to 153.0.8010.47 are affected. Updating to 153.0.8010.47 or later addresses the affected version range.